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Experimental evaluation of a COTS system for space applications
Madeira, H. Some, R.R. Moreira, F. Costa, D. Rennels, D.
Coimbra Univ.;

This paper appears in: Dependable Systems and Networks, 2002. DSN 2002. Proceedings. International Conference on
Publication Date: 2002
On page(s): 325- 330
ISBN: 0-7695-1101-5
INSPEC Accession Number: 7396107
Digital Object Identifier: 10.1109/DSN.2002.1028916
Current Version Published: 2002-12-10

Abstract
This paper evaluates the impact of transient errors in the operating system of a COTS-based system (CETIA board with two PowerPC 750 processors running LynxOS) and quantifies their effects at both the OS and at the application level. The study has been conducted using a Software-Implemented Fault Injection tool (Xception) and both realistic programs and synthetic workloads (to focus on specific OS features) have been used. The results provide a comprehensive picture of the impact of faults on LynxOS key features (process scheduling and the most frequent system calls), data integrity, error propagation, application termination, and correctness of application results.

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